Chocolate Rugelach

Bahan-bahan (36 porsi)

• 2½ cups all-purpose flour, (spooned into measuring cup and leveled-off)
• 6 tablespoons sugar
• Heaping ¼ teaspoon salt
• 1 cup (2 sticks) cold unsalted butter, cut into 1-in (2.5-cm) chunks
• 6 oz cold cream cheese, cut into 1-in (2.5-cm) chunks
• 1 egg yolk
• 8 oz semi-sweet chocolate, (best quality such as Ghiradelli, roughly chopped)
• ½ cup sugar
• ¼ teaspoon salt